Arista DCS-7060X6-32PE-F — 32×800G Leaf Switch with Forward Airflow
The
Arista DCS-7060X6-32PE-F is a 1RU, 32-port 800G data center switch delivering
25.6 Tbps of non-blocking switching capacity with
700 ns cut-through latency, an
84 MB shared packet buffer, and a removable supervisor card architecture. Purpose-built for space-constrained AI/ML cluster deployments, storage network aggregation, and high-performance computing clusters, the 7060X6-32PE brings 800G native port density into a compact 1RU form factor — perfect for organizations requiring maximum per-rack-unit bandwidth while maintaining a smaller footprint than the 64-port 2RU variant. With
32 native 800G OSFP ports plus two 10G SFP+ data plane ports, it delivers four times the per-port bandwidth of 400G platforms. The “
-F” suffix denotes
front-to-rear (forward) airflow, the standard configuration for traditional hot-aisle/cold-aisle data center designs where cool air is supplied from the front of the rack. The DCS-7060X6-32PE is available exclusively in front-to-rear (“-F”) airflow.
Key Features at a Glance
- 32 × 800GbE OSFP ports supporting native 800G operation at line rate across all 32 ports simultaneously
- 25.6 Tbps non-blocking switching capacity — full wire speed across all 32 OSFP ports in full-duplex mode
- 700 ns cut-through latency for consistent, low-jitter performance at 800G port speed
- 84 MB shared packet buffer for AI/ML all-reduce, storage bursts, and east-west incast absorption at 800G speeds
- Removable supervisor card (DCS-7001-SUP-A) for modular upgrades and field serviceability without platform replacement
- Compact 1RU form factor delivers maximum 800G port density per rack unit with minimal data center footprint
- Advanced ASIC and packet processing architecture purpose-engineered for 800G performance and AI/ML workloads
- Linear Pluggable Optics (LPO) support for future-ready optics compatibility
- Front-to-rear airflow (“-F”) for standard hot-aisle/cold-aisle data center deployments
- Redundant, hot-swappable power supplies and fan modules for continuous operation
- Full L2/L3 feature set: VXLAN, EVPN, MLAG, 128-way ECMP, BGP, and advanced routing
- Advanced AI/ML features: RoCEv2, Packet Spraying, DLB (Dynamic Load Balancing), CLB (Cluster Load Balancing), Advanced DCQCN, PFC/ECN, AI Analyzer, and SSU (Smart System Upgrade)
- True Egress Mirror support and 800GBASE-ETC standard connectivity
- Rich telemetry: LANZ, sFlow, AEM, and streaming telemetry at 100 µs to 1 ms granularity
- Runs Arista EOS® with open APIs, Python/Bash scripting, and CloudVision® integration
The X6-32PE: Maximum 800G Density in 1RU for Space-Constrained Clusters
The
7060X6-32PE is the 1RU variant of the 7060X6 family, delivering 32 native 800G OSFP ports with 25.6 Tbps throughput in the compact form factor. Compared to the 64-port 7060X6-64PE (2RU), the 32PE provides:
- Half the port count in half the footprint: 32 native 800G ports in 1RU vs 64 ports in 2RU — identical port density per rack unit (16 ports per 1RU). This makes the 32PE the preferred choice for data centers where rack space is constrained or where organization policies favor smaller-footprint aggregation nodes.
- 84 MB shared packet buffer: While smaller than the 165 MB in the 64PE, the 84 MB buffer is still substantial for 800G-scale workloads — approximately 74% deeper than the 7060X5-32PE (48 MB) and sufficient for synchronized GPU all-reduce operations in mid-scale AI clusters.
- 25.6 Tbps switching capacity: Full 800G line-rate switching across all 32 ports — 51% of the 64PE’s total, with identical per-port latency (700 ns) and buffer dynamics on a port-for-port basis.
- Modular supervisor card architecture: Same removable DCS-7001-SUP-A supervisor card as the 64PE, enabling field upgrades and extending platform lifecycle without full chassis replacement.
- Lower power envelope: 348 W typical / 1136 W maximum — substantially less than the 64PE’s 640 W / 2218 W, enabling more switches per power distribution unit (PDU) in density-constrained racks.
25.6 Tbps Non-Blocking Architecture
The
DCS-7060X6-32PE-F delivers
25.6 Tbps of full-duplex, non-blocking switching capacity across all 32 OSFP ports. Every port operates simultaneously at 800G line rate without oversubscription. This throughput ceiling holds regardless of traffic mix, packet size distribution, or active flow count, providing the consistent, predictable performance that AI/ML training clusters and NVMe-oF storage pools demand at mid-scale deployment sizes.
700 ns Cut-Through Latency at 800G
Operating in cut-through switching mode, the
7060X6-32PE-F delivers
700 nanoseconds of port-to-port latency with consistent, low-jitter performance across all 32 ports at native 800G speed. This sub-microsecond performance at 800G is achievable in the 1RU form factor because the core switching ASICs and packet processing pipelines are identical to the 64-port variant — the difference is port count, not latency characteristics. For AI training clusters where synchronized all-reduce operations require microsecond-level precision, for HPC message-passing workloads, and for NVMe-oF storage networks, 700 ns represents sub-microsecond cut-through performance at native 800G.
Port Density and 800G Native Performance
The 7060X6-32PE provides
32 × OSFP ports operating natively at 800GbE, plus
2 × SFP+ data plane ports (1/10GbE) for management or auxiliary connections:
- 800GbE: Native full-rate operation on all 32 OSFP ports for cluster fabric density
- Support for 800GBASE-ETC standard: Fully compliant with IEEE 802.3dj (800GbE) standards for proven interoperability with ecosystem optics and cables
- Linear Pluggable Optics (LPO): LPO-ready for future-proof optics compatibility as the 800G optics ecosystem evolves
Optics, Cables, and Interoperability
The
DCS-7060X6-32PE-F supports a broad ecosystem of standards-based 800G optics and cables:
- 800G OSFP: 800GBASE-SR8, DR8, XDR, FR8, and proprietary 800G OSFP DAC and AOC for short- to long-reach cluster and storage interconnects
- Industry-standard interoperability: Full IEEE 802.3dj (800GbE) compliance for multi-vendor ecosystem compatibility
- Future-ready optics: Linear Pluggable Optics (LPO) support for emerging 800G form factors and next-generation coherent optics
84 MB Shared Buffer: Built for GPU Collectives and Storage I/O at 800G
The
84 MB shared packet buffer of the X6-32PE provides substantial burst absorption for 800G-scale workloads. Unlike fixed-per-port buffer architectures, the shared pool dynamically allocates buffer capacity to the ports and queues that need it most. Three workload categories benefit directly:
- AI/ML training with GPU collectives: Distributed training jobs using all-reduce operations generate synchronized, simultaneous bursts from GPUs. At 800G port speeds, the 84 MB buffer provides ample headroom to absorb these collective events without triggering RoCE retransmissions that would stall training iterations. The 84 MB buffer is sufficient for mid-scale clusters (hundreds of GPUs) where collectives are synchronized across the 32-port fabric.
- NVMe-oF and high-throughput storage: Storage reads and writes generate large, bursty transfers. The X6-32PE’s 84 MB shared buffer prevents head-of-line blocking and packet drops that would force retransmissions and inflate I/O latency, particularly important at 800G speeds where burst data volumes are substantial.
- East-west incast in AI cluster fabrics: When all-reduce operations converge traffic from many GPUs, the X6-32PE ports absorb incast bursts. The 84 MB shared pool provides buffer headroom to absorb these events without drops.
At 84 MB, the X6-32PE buffer is 75% of the 64PE’s 165 MB, making it appropriate for mid-scale clusters and edge-of-cluster aggregation roles. For larger clusters consolidating many training jobs or storage servers, the 64PE’s deeper 165 MB buffer may be more suitable.
Advanced Load Balancing and Traffic Engineering
The
DCS-7060X6-32PE-F supports advanced Arista EOS traffic engineering and load balancing capabilities optimized for AI/ML workloads:
- Dynamic Load Balancing (DLB): Real-time ECMP path selection based on port and queue utilization, steering GPU-to-GPU transfers away from congested paths and toward available bandwidth.
- Cluster Load Balancing (CLB): For AI clusters running frameworks like NVIDIA NCCL or OpenMPI, CLB coordinates switch-level load distribution with in-NIC scheduling to optimize collective operation completion time.
- Packet Spraying: Load-aware traffic steering that distributes GPU transfers across multiple ECMP paths dynamically, preventing head-of-line blocking on any single path.
- Advanced DCQCN: Sophisticated congestion control for RoCEv2 that prevents PFC back-pressure cascades during all-reduce events, allowing training jobs to maintain momentum even under peak cluster utilization.
Fabric and Routing Capabilities
The
7060X6-32PE-F delivers the full Arista EOS L2/L3 feature set for modern cluster and high-performance networking:
- VXLAN and EVPN: Overlay routing and bridging for multi-tenant AI clusters and hybrid cloud-on-premises storage networks
- Up to 128-way ECMP: Maximum path diversity for synchronized GPU-to-GPU transfers and storage traffic
- MLAG: Up to 64-way MLAG for redundant dual-homed server or storage pod connectivity
- BGP and IS-IS: Full-featured underlay routing for IP fabric, routed spine, and eBGP-based cluster interconnects
Quality of Service and Congestion Control
The
DCS-7060X6-32PE-F provides comprehensive QoS and lossless Ethernet capabilities essential for AI/ML workloads:
- RoCEv2 support: Priority Flow Control (PFC), Explicit Congestion Notification (ECN), and Data Center Bridging (DCB) for GPU-Direct RDMA at 800G
- 8 unicast + 2 multicast queues per port: Fine-grained traffic classification for separating training collective operations, checkpoint data, and background traffic
- Weighted Round-Robin and Strict Priority scheduling: Ensures low-latency critical traffic while preventing starvation of background flows
Telemetry, Monitoring, and AI Operations Insight
The
DCS-7060X6-32PE-F includes Arista’s full telemetry stack for AI cluster observability at 800G scale:
- AI Analyzer: Hardware-based ECMP utilization tracking at 100 µs granularity to detect load imbalance across parallel paths during all-reduce operations
- LANZ: Per-port, real-time queue depth visibility and microburst detection at 100 µs to 1 ms intervals for diagnosing congestion and buffer exhaustion
- sFlow: Continuous traffic sampling for elephant flow detection, path utilization monitoring, and capacity planning across 800G links
- AEM: Rule-based, programmable alerting for link events, queue thresholds, and routing protocol state changes
- Streaming Telemetry: High-frequency counter and state export to gRPC collectors, Grafana, Prometheus, and third-party NMS tools
Supervision and System Management
The
7060X6-32PE-F features a modular architecture with a removable supervisor card:
- DCS-7001-SUP-A supervisor card: Removable and field-replaceable, allowing in-service supervisor upgrades without full platform replacement.
- Redundant management and control planes: Dual management Ethernet ports, serial console, and USB connectivity for multi-method system access and recovery
EOS Automation and Extensibility
Running on
Arista EOS®, the
DCS-7060X6-32PE-F is built for automation-first cluster operations:
- Native on-box Python and Bash scripting via the Linux shell for event-driven automation
- JSON-RPC eAPI for programmatic configuration — integrates with Ansible, Terraform, Salt, and Nornir
- CloudVision® for centralized configuration management and zero-touch provisioning
- OpenConfig and gNMI/gRPC for model-driven management and high-frequency streaming telemetry export
- Smart System Upgrade (SSU): Graceful, non-disruptive software updates without fabric disconnection or traffic loss
Front-to-Rear Airflow and Data Center Fit
The “
-F” airflow configuration provides
front-to-rear (forward) cooling, where cool air enters from the non-port side of the switch and exhausts from the port side. This is the standard configuration for:
- Traditional hot-aisle/cold-aisle containment deployments where cold air is supplied from the front of the rack
- AI data center racks where GPU servers and network gear use front-to-rear airflow
- Space-constrained data centers where 1RU switches are preferred for compactness
- Data center facilities standardizing on forward airflow for all infrastructure equipment
The DCS-7060X6-32PE is available exclusively in front-to-rear (“-F”) airflow configuration.
Power Efficiency and Thermal Design
The
DCS-7060X6-32PE-F delivers approximately
10.9 W per active 800G port at typical utilization (348 W typical, 1136 W maximum), with redundant power supplies supporting both AC and DC inputs. The low power envelope enables more switches per PDU and is particularly valuable in space-constrained racks. Dual 1600W redundant, hot-swappable power supplies (PWR-2011-AC-RED) ensure continuous operation through PSU failures without scheduled maintenance windows.
Compliance and Sustainability
- RoHS and WEEE compliant — Advanced switching architecture delivers high efficiency with low power per gigabit at 800G density
- Secure boot with digitally signed EOS images to prevent unauthorized firmware modifications
- Compact 1RU form factor maximizes 800G port density per rack unit with minimal footprint
Security Features
- Secure boot and digitally signed EOS images
- Role-Based Access Control (RBAC) for granular operator and administrator separation
- TACACS+/RADIUS/LDAP for centralized authentication and accounting
- ACLs for traffic policy and cluster-layer segmentation enforcement at 800G line rate
- Control Plane Policing (CoPP) to protect the switch CPU from volumetric attacks targeting the management plane
Deployment Scenarios and Industry Applications
- Mid-Scale AI/ML Training Clusters: 32×800G switching fabric with 84 MB buffer for GPU-to-GPU all-reduce traffic, Dynamic Load Balancing for real-time path rebalancing, and LANZ/AI Analyzer for synchronized operation monitoring. Supports RoCEv2 for GPU-Direct RDMA. Typical deployment: front-of-rack (ToR) or pod aggregation for 100s of GPUs sharing synchronized training workloads in space-constrained environments.
- NVMe-oF Storage Aggregation: 25.6 Tbps non-blocking capacity with 84 MB buffer depth and true egress mirror support for storage networks where burst tolerance and consistent I/O latency are essential. Handles many-to-one traffic patterns from compute nodes reading from storage pools.
- HPC Pod Interconnects: High-frequency message-passing workloads benefit from 84 MB buffer depth, 128-way ECMP, and Advanced DCQCN. MPI collectives are optimized with Cluster Load Balancing and Packet Spraying.
- Space-Constrained AI Data Centers: For organizations limited by rack space or PDU capacity, the 1RU 32PE provides maximum 800G density per unit height with lower power draw (348 W typical) than the 64PE (640 W typical), enabling more switches per PDU and more efficient rack organization.
- Medium-Scale Hyperscale Deployments: 25.6 Tbps non-blocking capacity with 128-way ECMP for cloud fabric designs at smaller scales than the 64PE, with appropriate buffer depth for medium-sized multi-tenant environments.
Lifecycle, Reliability, and Future-Proofing
The
7060X6-32PE-F is built for long operational lifecycles with high MTBF ratings, field-replaceable fans, power supplies, and supervisor cards. The modular supervisor card design enables in-service upgrades without chassis replacement. As 800G becomes the standard for AI cluster back-end interconnects, the X6-32PE is positioned as a long-lived cluster asset. Its support for Linear Pluggable Optics (LPO) and future-ready 800GBASE-ETC standard compatibility protects optics investments as the ecosystem evolves.
Similar Arista 7060 Models to Consider
- Arista DCS-7060X6-64PE-F – 64×800G 7060X6 switch with 165 MB buffer in 2RU form factor. Select when maximum per-fabric throughput and buffer depth are required for large-scale cluster consolidation.
- Arista DCS-7060X6-64PE-B-F – 64×800G 7060X6 revision B switch with enhanced 100G/50G breakout support. Consider for mixed-speed deployments at 2RU scale.
- Arista DCS-7060DX4-32-F – 32×400G 1RU spine switch with 64 MB buffer and 25.6 Tbps throughput. Consider for organizations not yet at 800G port speeds.
Related 7060X Resources
Arista 7060 Series Switches: Architecture, Models, and Deployment Guide
The 1RU 800G Switch Built for Space-Constrained AI Clusters and Aggregation
The
Arista DCS-7060X6-32PE-F brings together 25.6 Tbps of non-blocking capacity, 32 native 800G OSFP ports, 84 MB of shared packet buffer, modular supervisor card serviceability, and the full depth of Arista EOS automation into a 1RU cluster switch purpose-engineered for space-efficient, power-efficient deployment in mid-scale AI clusters and high-performance aggregation roles. Its 1RU footprint, 348 W typical power draw, and native 800G port density make it ideal for organizations where rack space is constrained or where PDU capacity limits the number of large switches. Its front-to-rear airflow makes it the natural fit for standard hot-aisle/cold-aisle AI data centers, and its 128-way ECMP with Dynamic Load Balancing enables efficient utilization of all 32 ports for synchronized GPU all-reduce operations. Available from BrightStar Systems fully tested, reset to factory defaults, and backed by a 1-year in-house warranty.
